def init_test_scenario(config):
log = LogGenerator(config)
activity_count = 20
nr_non_deviant = 100
nr_deviant = 100
activity_names = generate_activity_names(activity_count)
trace_names = generate_trace_names(nr_deviant + nr_non_deviant)
# choose deviant init activity
deviant_init_activity = activity_names[0]
for i in range(nr_non_deviant + nr_deviant):
trace = {
"deviant": i >= nr_non_deviant,
"name": trace_names[i],
}
timestamp_generator = TimestampGenerator()
events = []
for j in range(activity_count):
event = {
"org:resource": "resource1",
"lifecycle:transition": "COMPLETE",
"concept:name": activity_names[j]
}
if activity_names[j] == deviant_init_activity:
continue
else:
events.append(event)
shuffle(events) #shuffle first
# add our last activity..
event = {
"org:resource": "resource1",
"lifecycle:transition": "COMPLETE",
"concept:name": deviant_init_activity
}
if trace["deviant"]:
# if deviant, then put to first...
events.insert(0, event)
else:
# put to random place, which not first
events.insert(randint(1, len(events)), event)
# add timestamps
for event in events:
event["timestamp"] = timestamp_generator.get_next_timestamp(
).astimezone().isoformat()
trace["events"] = events
log.add_trace(trace)
return log.convert_to_xes()
def activity_set_co_occur(config):
"""
A set of activities occurring together causes the trace to be deviant.
Ex if events A,B,C and occurring together in the trace, then the trace is deviant.
If only B,C or A,B .. then the trace is not deviant.
:return:
"""
log = LogGenerator(config)
activity_count = 10
nr_non_deviant = 100
nr_deviant = 50
activity_names = generate_activity_names(activity_count)
trace_names = generate_trace_names(nr_deviant + nr_non_deviant)
deviant_set = (activity_names[4], activity_names[5], activity_names[6]
) # remove event with activity name
for i in range(nr_non_deviant + nr_deviant): #
trace = {"deviant": i >= nr_non_deviant, "name": trace_names[i]}
events = []
timestamp_generator = TimestampGenerator()
to_remove_set = None
if not trace["deviant"]:
# Remove randomly 1 to 3 activities inside deviant set from trace
remove_count = randint(1, 3)
to_remove_set = sample(deviant_set, remove_count)
else:
# remove all
to_remove_set = set() # remove nothing if deviant
for j in range(activity_count):
# dont add activity
if activity_names[j] in to_remove_set:
continue
event = {
"org:resource": "resource1",
"lifecycle:transition": "COMPLETE",
"concept:name": activity_names[j]
}
events.append(event)
# shuffle events, in order not be able to learn sequences of larger size than 1
shuffle(events)
# add timestamps
for event in events:
event["timestamp"] = timestamp_generator.get_next_timestamp(
).astimezone().isoformat()
trace["events"] = events
log.add_trace(trace)
return log.convert_to_xes()
def single_activity_extra_1(config):
"""
Addition of one activity causes the trace to be deviant
:return:
"""
log = LogGenerator(config)
activity_count = 15
nr_non_deviant = 100
nr_deviant = 100
activity_names = generate_activity_names(activity_count)
trace_names = generate_trace_names(nr_deviant + nr_non_deviant)
added_in_deviant = activity_names[5] # remove event with activity name
for i in range(nr_non_deviant + nr_deviant): #
trace = {}
trace["deviant"] = i >= nr_non_deviant
trace["name"] = trace_names[i]
events = []
timestamp_generator = TimestampGenerator()
for j in range(activity_count):
# dont add activity in non-deviant cases
if not trace["deviant"] and activity_names[
j] == added_in_deviant:
continue
event = {
"org:resource": "resource1",
"lifecycle:transition": "COMPLETE",
"concept:name": activity_names[j]
}
events.append(event)
# shuffle events, in order not be able to learn sequences of larger size than 1
shuffle(events)
# add timestamps
for event in events:
event["timestamp"] = timestamp_generator.get_next_timestamp(
).astimezone().isoformat()
trace["events"] = events
log.add_trace(trace)
return log.convert_to_xes()